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The NetrLogonSamLogon method<213> is a predecessor to the NetrLogonSamLogonWithFlags method (section 3.5.4.5.2). All parameters of this method have the same meanings as the identically named parameters of the NetrLogonSamLogonWithFlags method.

 NTSTATUS NetrLogonSamLogon(
   [in, unique, string] LOGONSRV_HANDLE LogonServer,
   [in, string, unique] wchar_t* ComputerName,
   [in, unique] PNETLOGON_AUTHENTICATOR Authenticator,
   [in, out, unique] PNETLOGON_AUTHENTICATOR ReturnAuthenticator,
   [in] NETLOGON_LOGON_INFO_CLASS LogonLevel,
   [in, switch_is(LogonLevel)] PNETLOGON_LEVEL LogonInformation,
   [in] NETLOGON_VALIDATION_INFO_CLASS ValidationLevel,
   [out, switch_is(ValidationLevel)] 
     PNETLOGON_VALIDATION ValidationInformation,
   [out] UCHAR * Authoritative
 );

Message processing<214> is identical to NetrLogonSamLogonEx, as specified in section 3.5.4.5.1, except for the following:

This method SHOULD only be called by a machine that has established a secure channel with the server.

On receiving this call, the server MUST perform the following validation step: